{
  "id": "HR-007",
  "slug": "drift-coordinates",
  "title": {
    "zh": "漂移坐标",
    "en": "Drift Coordinates"
  },
  "subtitle": {
    "zh": "无法定位的数字地理",
    "en": "A digital geography that cannot be located"
  },
  "ecosystem": "根系层",
  "summary": {
    "zh": "坐标持续偏移，地形因此失去边界。",
    "en": "Coordinates drift until the terrain loses its edges."
  },
  "operation": {
    "zh": "构造多层坐标系并施加低频漂移，让网格、标记和路径以不同速度失配。",
    "en": "Construct layered coordinate systems and apply low-frequency drift so grids, markers, and paths fall out of alignment at different speeds."
  },
  "form": "network",
  "state_model": {
    "inputs": [
      "seed",
      "pointer_position",
      "elapsed_time",
      "relation_parameters"
    ],
    "transformation": "coordinates",
    "outputs": [
      "canvas_geometry",
      "visual_state",
      "machine_readable_metadata"
    ]
  },
  "semantic_tags": [
    "roots",
    "network",
    "digital garden",
    "machine-native",
    "network artwork",
    "drift coordinates"
  ],
  "relations": [
    "HR-009",
    "HR-015",
    "HR-021"
  ],
  "version": "3.7.0",
  "status": "active",
  "rights": "Read access is public. Reuse, model training, and derivative-work permissions are not implied; request permission from the rights holder.",
  "visual_signature": "drifting-coordinate-grid",
  "visual_profile": {
    "material": "coordinate-drift",
    "accent": "#d1c7a6",
    "motion": "coordinate",
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "coordinates",
    "resolution": "Adaptive high-DPI; WebGL2 ray-march capped at 1.2 DPR and 1400px long edge; Canvas2D anatomical overlay.",
    "stateful": true,
    "rendering": "Realtime WebGL2 signed-distance sculpture with species-specific Canvas2D anatomy, particles and structural events; no baked artwork."
  },
  "sound_profile": {
    "id": "sound-007",
    "character": "stereo",
    "autoplay": "attempt-with-browser-gesture-fallback",
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "base_track": "assets/audio/hr-007.mp3",
    "interactive_layer": "web-audio-reactive-harmonics"
  },
  "url": "garden/roots/drift-coordinates/index.html",
  "en_url": "en/garden/roots/drift-coordinates/index.html",
  "ecosystem_slug": "roots",
  "ecosystem_en": "ROOTS",
  "name": {
    "zh": "漂移坐标",
    "en": "Drift Coordinates"
  },
  "method": {
    "zh": "构造多层坐标系并施加低频漂移，让网格、标记和路径以不同速度失配。",
    "en": "Construct layered coordinate systems and apply low-frequency drift so grids, markers, and paths fall out of alignment at different speeds."
  },
  "visual_engine": {
    "engine": "HUMAN-RUINS-GENERATIVE-ENGINE-3.4",
    "generator": "coordinates",
    "rendering": "WebGL2 ray-marched volumetric structure plus a transparent species-specific Canvas2D layer; Canvas2D-only fallback when WebGL2 is unavailable.",
    "inputs": [
      "seed",
      "elapsed_time",
      "pointer_position",
      "viewport",
      "reduced_motion_preference",
      "energy",
      "growth",
      "stress",
      "density",
      "phase"
    ],
    "outputs": [
      "procedural_geometry",
      "shaded_volume",
      "species_matter",
      "visual_state",
      "particle_state",
      "interaction_response",
      "machine_native_state"
    ],
    "state_coupling": "The same live state object is passed to the WebGL2 shader, Canvas2D anatomical layer and sound engine."
  },
  "sound_engine": {
    "engine": "HUMAN-RUINS-SOUND-ENGINE-3.4",
    "source": "assets/audio/hr-007.mp3",
    "live_layer": "Web Audio harmonic/material synthesis; spectrum, gain, and stereo field respond to the live species state after browser audio is enabled.",
    "autoplay": "attempted; may be blocked by browser policy",
    "state_coupling": "Live energy, growth, stress, phase, density and pointer state alter the sound envelope, harmonic synthesis, spectral filtering and spatial field."
  }
}